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Libro de la invencion liberal y arte del juego del axedrez (translation: "Book of the liberal invention and art of the game of chess") is one of the first books published about modern chess in Europe, after Pedro Damiano's 1512 book. It was written by Spanish priest Ruy López de Segura in 1561 and published in Alcalá de Henares.
A page from his book. Lucena wrote the oldest surviving printed book on chess, Repetición de Amores y Arte de Ajedrez con CL [150] Juegos de Partido ("Repetition of Love and the Art of Playing Chess with 150 Games"), published in Salamanca around 1497. [2]
The game of astronomical tables, from Libro de los juegos. The Libro de los juegos (Spanish: "Book of games"), or Libro de axedrez, dados e tablas ("Book of chess, dice and tables", in Old Spanish), was a Spanish treatise of chess which synthesized the information from other Arabic works on this same topic, dice and tables (backgammon forebears) games, [1] commissioned by Alfonso X of Castile ...
Chess.com is an internet chess server and social networking website. [3] One of the largest chess platforms in the world, [4] the site has a freemium model in which some features are available for free, some via subscription.
The national chess championship of Mexico has been organized annually since 1973 by FENAMAC (Spanish: Federación Nacional de Ajedrez de Mexico A.C.), the Mexican chess federation. Known since 1997 as the National Absolute Championship ( Campeonato Nacional Absoluto ) and previously as the National Closed Championship ( Campeonato Nacional ...
In the mathematical area of knot theory, a Reidemeister move is any of three local moves on a link diagram. Kurt Reidemeister () and, independently, James Waddell Alexander and Garland Baird Briggs (), demonstrated that two knot diagrams belonging to the same knot, up to planar isotopy, can be related by a sequence of the three Reidemeister moves.